2. 金融经济
  3. DNA碱基组成的规律是 A. A = C;T = G B. A =T;G =

DNA碱基组成的规律是 A. A = C;T = G B. A =T;G =

题库总管2019-12-17  34
问题 DNA碱基组成的规律是A. A = C;T = GB. A =T;G = CC. A+T = G + CD. A = G = T = CE. (A + T)/(C +G) =1
选项
答案B
解析DNA双螺旋结构以A与T配对，G与C配对’即 A=T;G = C。
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